

package com.hazelcast.jet.pipeline.test;

import com.hazelcast.jet.impl.util.Util;

import java.io.Serial;
import java.io.Serializable;
import java.util.Objects;

/**
 * A simple event with a timestamp and a sequence number.
 *
 * @since Jet 3.2
 */
public class SimpleEvent implements Serializable {

    @Serial
    private static final long serialVersionUID = 1L;

    private final long timestamp;
    private final long sequence;

    /**
     * Create an event with the given timestamp and sequence number
     */
    public SimpleEvent(long timestamp, long sequence) {
        this.timestamp = timestamp;
        this.sequence = sequence;
    }

    /**
     * Timestamp of the event in milliseconds
     */
    public long timestamp() {
        return timestamp;
    }

    /**
     * Sequence number of the event
     */
    public long sequence() {
        return sequence;
    }

    @Override
    public String toString() {
        return "SimpleEvent(" + "timestamp=" + Util.toLocalTime(timestamp) + ", sequence=" + sequence + ')';
    }

    @Override
    public boolean equals(Object o) {
        if (this == o) {
            return true;
        }
        if (o == null || getClass() != o.getClass()) {
            return false;
        }
        SimpleEvent that = (SimpleEvent) o;
        return timestamp == that.timestamp && sequence == that.sequence;
    }

    @Override
    public int hashCode() {
        return Objects.hash(timestamp, sequence);
    }
}
